FBM240要使主變和線路電流不逾越增容改造前的水平，只需發(fā)電機(jī)增容后還堅(jiān)持增容前的電流即正本的額外電流就能夠了。這能夠始末前進(jìn)發(fā)電機(jī)作業(yè)的功率因數(shù)來(lái)抵達(dá)。發(fā)電機(jī)原額外功率3200kw，電壓6.3kv，電流366.5A，功率因數(shù)為0.8。增容為3800kw，要使電流不變，功率因數(shù)為cos=0.95在鎮(zhèn)遠(yuǎn)加裝 無(wú)功賠償 設(shè)備，咱們還有別的一層思索。咱們?cè)阪?zhèn)遠(yuǎn)與凱里供電局聯(lián)網(wǎng)，上彀功率因數(shù)按0.8查核，而且以上彀的無(wú)功電能折算上彀的有功電能，咱們?cè)阪?zhèn)遠(yuǎn)的功率因數(shù)達(dá)0.86或以上。假如紅旗電廠按增容后的出力作業(yè)，上彀的功率因數(shù)將更高。為了處理這個(gè)疑問(wèn)，只需在鎮(zhèn)遠(yuǎn)(聯(lián)網(wǎng)點(diǎn))裝設(shè) 無(wú)功賠償 設(shè)備才華處理(才華確保上彀的功率因數(shù)為0.8)。FBM240
始末重復(fù)細(xì)心的證實(shí)，咱們抉擇暫緩主變改造，而在鎮(zhèn)遠(yuǎn)開(kāi)關(guān)站加裝 無(wú)功賠償 設(shè)備。托付湖南紫光測(cè)控有限公司描寫(xiě)和供給設(shè)備。賠償容量為7200KVAR。首要設(shè)備有濾波電容器24只，濾波電抗器3臺(tái)，六氟化硫開(kāi)關(guān)一臺(tái)，電容測(cè)控設(shè)備一套，放電PT3臺(tái)。設(shè)備于2002年12月投入作業(yè)，總造價(jià)(設(shè)備和土建、征地)120.78萬(wàn)元。在試作業(yè)時(shí)刻查驗(yàn)，紅旗電廠運(yùn)送有功功率14000kw，即3#、4#機(jī)按有功功率3800kw，cos為0.95作業(yè)，1#、2#機(jī)按3200kw，cos為0.8作業(yè)。 無(wú)功賠償 設(shè)備輸出無(wú)功功率為6500～7000KVAR，開(kāi)關(guān)站母線電壓為38～38.5KV，上彀功率因數(shù)為0.8，徹底抵達(dá)了預(yù)期的央求。
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